Just entered the digital camera world, and my daughter took this photo. I like messing with different breedings of smaller cattle, so hereâs what Iâve got so far in 3 years. We'll see if the photo transfers. Cow in the middle is half Jersey and half lowline angus and 45 inches tall. I take a gallon of milk daily, while calf gets the rest. Whitefaced heifer born July 05 is cowâs first calf from a small Hereford bull and is now 42 inches. Red heifer is cowâs second calf born June 06 from a smaller Jersey bull. A few points. Iâve read that the fetus determines the length of gestation, and itâs different for different breeds. But these two heifers from different breed of bulls were both born at exactly 270 days. I donât know if that will continue next time as sheâs bred to lowline angus. The red heifer has already had two heats (first at just over 6 months age). I know you normally wait til 15 months to breed, but Iâd like to breed her to a lowline angus bull at around 11 to 12 months. Did that with her mom (whoâs smaller) to same size bull at over 12 months and no problem calving. Any reason I shouldnât do this? The semen I have is from a red lowline angus bull that is only 46 inches tall. This heifer should be at least that tall by 18 months. Edit: Found out can't have anything in the url after jpg. Anyway, let's try this again.